Table 2 Carotid duplex and LL arterial duplex findings and need for CT angiography
Low risk group N (%) | High risk group N (%) | Chi-square | |||
|---|---|---|---|---|---|
X2 | P-value | ||||
Carotid artery stenosis ≥ 70% | Only right | 7 (3.9%) | 11 (6.1%) | 3.001 | 0.392 |
Only left | 6 (3.3%) | 10 (5.6%) | |||
Bilateral | 3 (1.7%) | 1 (0.6%) | |||
Patients requiring CT angiography for Carotid artery stenosis | 5 (2.8%) | 1 (0.6%) | 2.712 | 0.100 | |
LL arterial stenosis ≥ 50% | Only right | 1 (0.6%) | 4 (2.2%) | 3.896 | 0.273 |
Only left | 3 (1.7%) | 7 (3.9%) | |||
Bilateral | 7 (3.9%) | 9 (5.0%) | |||
Level of LL arterial affection | Above knee | 2 (1.1%) | 5 (2.8%) | 3.032 | 0.220 |
Below knee | 9 (5.0%) | 15 (8.3%) | |||
Patients requiring CT angiography for LL artery stenosis | 7 (3.9%) | 9 (5.0%) | 0.262 | 0.609 | |